Activity for sbeaudoin

Activity for sbeaudoinhttps://forge.codesys.com/u/sbeaudoin/activity/2023-06-07T15:25:09.745000ZRecent activity for sbeaudoinsbeaudoin posted a comment on discussion Engineering 🇬🇧2023-06-07T15:25:09.745000Z2023-06-07T15:25:09.745000Zsbeaudoinhttps://forge.codesys.com/u/sbeaudoin/profile/https://forge.codesys.com/forge/talk/Engineering/thread/279d8e3bb6/?limit=25#dee2

Sorry, I accidentally posted this in Runtime but I think this forum may be more appropriate. I am having trouble verifying a RSA PKCS1.5 SHA256 signature given a message, the signature as a hex string, and a public key as a .pem file. Here is an example of how I am trying to verify a signature using the CmpCrypto library in CODESYS V3.5 SP15: FUNCTION AsymmetricVerifyMessage : BOOL VAR_INTPUT sMessage : REFERENCE TO STRING; szMessage : ULINT; abySignature : REFERENCE TO ARRAY[0..255] OF BYTE; szSignature...

sbeaudoin posted a comment on discussion Runtime 🇬🇧2023-06-06T17:50:29.178000Z2023-06-06T17:50:29.178000Zsbeaudoinhttps://forge.codesys.com/u/sbeaudoin/profile/https://forge.codesys.com/forge/talk/Runtime/thread/3451a31771/?limit=25#93aa

I am having trouble verifying a RSA PKCS1.5 SHA256 signature given a message, the signature as a hex string, and a public key as a .pem file. Here is an example of how I am trying to verify a signature using the CmpCrypto library in CODESYS V3.5.15: FUNCTION AsymmetricVerifyMessage : BOOL VAR_INTPUT sMessage : REFERENCE TO STRING; szMessage : ULINT; abySignature : REFERENCE TO ARRAY[0..255] OF BYTE; szSignature : ULINT; abyPublicKey : REFERENCE TO ARRAY[0..291] OF BYTE; szPublicKey : ULINT; END_VAR...